Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. 1970/01/01 00:00:27 parsed 1 programs [ 29.093577][ T4325] cgroup: Unknown subsys name 'net' [ 29.320972][ T4325] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.595545][ T4325] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 35.321233][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.322607][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.324226][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 35.335383][ T1704] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 35.336691][ T1704] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 35.337945][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 35.478131][ T4370] chnl_net:caif_netlink_parms(): no params data found [ 35.498989][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.500153][ T4370] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.501567][ T4370] device bridge_slave_0 entered promiscuous mode [ 35.503917][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.505052][ T4370] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.506454][ T4370] device bridge_slave_1 entered promiscuous mode [ 35.513059][ T4370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 35.515309][ T4370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 35.522366][ T4370] team0: Port device team_slave_0 added [ 35.524433][ T4370] team0: Port device team_slave_1 added [ 35.529719][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 35.530768][ T4370] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 35.535065][ T4370] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 35.537722][ T4370] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 35.538984][ T4370] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 35.543002][ T4370] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 35.620178][ T4370] device hsr_slave_0 entered promiscuous mode [ 35.668568][ T4370] device hsr_slave_1 entered promiscuous mode [ 35.764850][ T4370] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 35.781516][ T4370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 35.809554][ T4370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 35.903336][ T4370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 35.946770][ T4370] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.947964][ T4370] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.949512][ T4370] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.950723][ T4370] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.969463][ T4370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.973410][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 35.975975][ T9] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.977821][ T9] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.983358][ T4370] 8021q: adding VLAN 0 to HW filter on device team0 [ 35.986873][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 35.989501][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.990686][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.993601][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 35.995220][ T1704] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.996297][ T1704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.007789][ T4370] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 36.010627][ T4370] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 36.014212][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 36.016057][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 36.017628][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 36.020409][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 36.022543][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 36.024270][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 36.093245][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 36.094562][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 36.098006][ T4370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 36.105312][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 36.111445][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 36.113313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 36.114706][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 36.116890][ T4370] device veth0_vlan entered promiscuous mode [ 36.120958][ T4370] device veth1_vlan entered promiscuous mode [ 36.127695][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 36.136301][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 36.139215][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 36.143317][ T4370] device veth0_macvtap entered promiscuous mode [ 36.145651][ T4370] device veth1_macvtap entered promiscuous mode [ 36.150447][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 36.151810][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 36.154088][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 36.157228][ T4370] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 36.158815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 36.161535][ T4370] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.162977][ T4370] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.164428][ T4370] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.165983][ T4370] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 36.490733][ T4411] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.492402][ T4411] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.493757][ T4411] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.495344][ T4411] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.496623][ T4411] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.497886][ T4411] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 1970/01/01 00:00:36 executed programs: 0 [ 36.908248][ T4411] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 36.910923][ T4411] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 36.912261][ T4411] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 36.913781][ T4411] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 36.915109][ T4411] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 36.916297][ T4411] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 36.963791][ T4427] chnl_net:caif_netlink_parms(): no params data found [ 36.990167][ T4427] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.991317][ T4427] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.992848][ T4427] device bridge_slave_0 entered promiscuous mode [ 36.995151][ T4427] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.996284][ T4427] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.997921][ T4427] device bridge_slave_1 entered promiscuous mode [ 37.004732][ T4427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 37.007085][ T4427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 37.013440][ T4427] team0: Port device team_slave_0 added [ 37.015072][ T4427] team0: Port device team_slave_1 added [ 37.020809][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 37.021883][ T4427] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.026085][ T4427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 37.037851][ T4427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 37.039019][ T4427] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 37.043186][ T4427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 37.089420][ T4427] device hsr_slave_0 entered promiscuous mode [ 37.139338][ T4427] device hsr_slave_1 entered promiscuous mode [ 37.178366][ T4427] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 37.179642][ T4427] Cannot create hsr debugfs directory [ 37.280073][ T4427] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 38.978615][ T4411] Bluetooth: hci0: command 0x0409 tx timeout [ 39.579419][ T4427] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.058508][ T4413] Bluetooth: hci0: command 0x041b tx timeout [ 41.399438][ T4427] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.490428][ T4427] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.661980][ T4427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.750129][ T4427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.890381][ T4427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.929380][ T4427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.049708][ T4427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.053145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.054772][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.057270][ T4427] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.060311][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.061926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.063448][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.064476][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.065991][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.070760][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.072294][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.073779][ T9] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.075188][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.128395][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.130146][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.131724][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.133598][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.135125][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.136737][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.142302][ T4427] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 42.143940][ T4427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 42.147902][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.149617][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.151588][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.153198][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.154655][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.156491][ T1704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.214166][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.215370][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.218764][ T4427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.224873][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 42.226360][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.231836][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 42.233531][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.234942][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.236691][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.239187][ T4427] device veth0_vlan entered promiscuous mode [ 42.292286][ T4427] device veth1_vlan entered promiscuous mode [ 42.299098][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.301130][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.302522][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 42.304534][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.307346][ T4427] device veth0_macvtap entered promiscuous mode [ 42.309920][ T4427] device veth1_macvtap entered promiscuous mode [ 42.314081][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 42.315760][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.317826][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.319178][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.320740][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 42.322184][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 42.323598][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.326107][ T4427] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 42.327711][ T4427] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 42.331231][ T4427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.360174][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 42.361840][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.364449][ T4427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.365803][ T4427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.367305][ T4427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.369008][ T4427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.387196][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.391518][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.393195][ T1574] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 42.400306][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 42.401583][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 42.402862][ T11] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 42.411807][ T39] device hsr_slave_0 left promiscuous mode [ 42.438568][ T39] device hsr_slave_1 left promiscuous mode [ 42.518432][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 42.519662][ T39] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 42.521456][ T39] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 42.522574][ T39] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 42.524175][ T39] device bridge_slave_1 left promiscuous mode [ 42.525464][ T39] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.560130][ T4449] loop0: detected capacity change from 0 to 32768 [ 42.566941][ T4449] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 42.568449][ T4449] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 42.570697][ T39] device bridge_slave_0 left promiscuous mode [ 42.572935][ T39] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.582813][ T4449] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 42.585634][ T4438] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 42.586831][ T4438] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 42.598783][ T4438] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 42.601619][ T4438] gfs2: fsid=syz:syz.0: jid=0: Done [ 42.602597][ T4449] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 42.712192][ T4427] ------------[ cut here ]------------ [ 42.713130][ T4427] WARNING: CPU: 0 PID: 4427 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xcd8 [ 42.714756][ T4427] Modules linked in: [ 42.715350][ T4427] CPU: 0 PID: 4427 Comm: syz-executor Not tainted syzkaller #0 [ 42.716484][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.718099][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.719453][ T4427] pc : __folio_mark_dirty+0x8a0/0xcd8 [ 42.720365][ T4427] lr : __folio_mark_dirty+0x8a0/0xcd8 [ 42.721245][ T4427] sp : ffff8000209775e0 [ 42.721939][ T4427] x29: ffff800020977600 x28: 1fffff8000701c18 x27: dfff800000000000 [ 42.723230][ T4427] x26: 0000000000000000 x25: ffff0000c058be90 x24: 0000000000000001 [ 42.724572][ T4427] x23: 0000000000000000 x22: fffffc000380e0c8 x21: 1fffe000180b17d2 [ 42.725801][ T4427] x20: ffff0000d9f9e250 x19: fffffc000380e0c0 x18: ffff800011b8bf60 [ 42.726974][ T4427] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: ffff800017e2a000 [ 42.728324][ T4427] x14: 0000000000000001 x13: 1fffe000180b17d2 x12: 0000000000ff0100 [ 42.729632][ T4427] x11: ff00800008708b70 x10: 0000000000000000 x9 : ffff800008708b70 [ 42.730980][ T4427] x8 : ffff0000c9423780 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.732320][ T4427] x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff800008a56aa8 [ 42.733748][ T4427] x2 : ffff0000ced46060 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.735097][ T4427] Call trace: [ 42.735623][ T4427] __folio_mark_dirty+0x8a0/0xcd8 [ 42.736443][ T4427] mark_buffer_dirty+0x2b8/0x5c0 [ 42.737305][ T4427] gfs2_unpin+0x120/0x8fc [ 42.738006][ T4427] buf_lo_after_commit+0x140/0x188 [ 42.738838][ T4427] gfs2_log_flush+0xc00/0x1b20 [ 42.739600][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 42.740299][ T4427] deactivate_locked_super+0xac/0x120 [ 42.741178][ T4427] deactivate_super+0xe4/0x104 [ 42.741962][ T4427] cleanup_mnt+0x390/0x418 [ 42.742791][ T4427] __cleanup_mnt+0x20/0x30 [ 42.743597][ T4427] task_work_run+0x1ec/0x278 [ 42.744414][ T4427] get_signal+0x111c/0x1304 [ 42.745177][ T4427] do_notify_resume+0x33c/0x2aa4 [ 42.745983][ T4427] el0_svc+0x98/0x128 [ 42.746650][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 42.747430][ T4427] el0t_64_sync+0x18c/0x190 [ 42.748172][ T4427] irq event stamp: 160260 [ 42.748843][ T4427] hardirqs last enabled at (160259): [] folio_memcg_lock+0xe8/0x1f4 [ 42.750435][ T4427] hardirqs last disabled at (160260): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.752143][ T4427] softirqs last enabled at (160146): [] local_bh_enable+0x10/0x34 [ 42.753796][ T4427] softirqs last disabled at (160144): [] local_bh_disable+0x10/0x34 [ 42.755385][ T4427] ---[ end trace 0000000000000000 ]--- [ 42.758789][ T4427] ------------[ cut here ]------------ [ 42.759639][ T4427] WARNING: CPU: 1 PID: 4427 at include/linux/backing-dev.h:247 __folio_start_writeback+0x88c/0xa7c [ 42.761325][ T4427] Modules linked in: [ 42.761947][ T4427] CPU: 1 PID: 4427 Comm: syz-executor Tainted: G W syzkaller #0 [ 42.763412][ T4427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.764010][ T39] device veth1_macvtap left promiscuous mode [ 42.765170][ T4427] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.766308][ T39] device veth0_macvtap left promiscuous mode [ 42.767431][ T4427] pc : __folio_start_writeback+0x88c/0xa7c [ 42.769361][ T4427] lr : __folio_start_writeback+0x88c/0xa7c [ 42.770307][ T4427] sp : ffff800020977080 [ 42.770943][ T4427] x29: ffff800020977160 x28: dfff800000000000 x27: 0000000000000000 [ 42.772215][ T4427] x26: ffff70000412ee18 x25: 0000000000000000 x24: ffff0000d9f9e250 [ 42.773409][ T4427] x23: ffff8000209770e0 x22: ffff0000c058bce8 x21: 0000000000000001 [ 42.774563][ T4427] x20: fffffc000380e0c8 x19: fffffc000380e0c0 x18: ffff800011b8bf60 [ 42.775779][ T4427] x17: ffff800018349000 x16: ffff8000082d7ca0 x15: 0000000000000000 [ 42.776954][ T4427] x14: 0000000000000001 x13: 1fffff8000701c18 x12: 0000000000ff0100 [ 42.778258][ T4427] x11: ff0080000870b07c x10: 0000000000000000 x9 : ffff80000870b07c [ 42.779507][ T4427] x8 : ffff0000c9423780 x7 : ffff80000870aae8 x6 : 0000000000000000 [ 42.780857][ T4427] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000870ab28 [ 42.782166][ T4427] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.783475][ T4427] Call trace: [ 42.783961][ T4427] __folio_start_writeback+0x88c/0xa7c [ 42.784858][ T4427] set_page_writeback+0x5c/0x7c [ 42.785643][ T4427] gfs2_aspace_writepage+0x514/0x6dc [ 42.786417][ T4427] __gfs2_writepage+0x70/0x184 [ 42.787166][ T4427] write_cache_pages+0x74c/0xde8 [ 42.788018][ T4427] gfs2_ail1_flush+0x7c4/0xa14 [ 42.788797][ T4427] empty_ail1_list+0x130/0x214 [ 42.789591][ T4427] gfs2_log_flush+0x12b4/0x1b20 [ 42.790340][ T4427] gfs2_kill_sb+0x5c/0xd4 [ 42.790957][ T4427] deactivate_locked_super+0xac/0x120 [ 42.791763][ T4427] deactivate_super+0xe4/0x104 [ 42.792536][ T4427] cleanup_mnt+0x390/0x418 [ 42.793273][ T4427] __cleanup_mnt+0x20/0x30 [ 42.794021][ T4427] task_work_run+0x1ec/0x278 [ 42.794871][ T4427] get_signal+0x111c/0x1304 [ 42.795601][ T4427] do_notify_resume+0x33c/0x2aa4 [ 42.796413][ T4427] el0_svc+0x98/0x128 [ 42.797136][ T4427] el0t_64_sync_handler+0x84/0xf0 [ 42.798056][ T4427] el0t_64_sync+0x18c/0x190 [ 42.798817][ T4427] irq event stamp: 160710 [ 42.799538][ T4427] hardirqs last enabled at (160709): [] folio_memcg_lock+0xe8/0x1f4 [ 42.801171][ T4427] hardirqs last disabled at (160710): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.802829][ T4427] softirqs last enabled at (160688): [] handle_softirqs+0xaec/0xc60 [ 42.804376][ T4427] softirqs last disabled at (160263): [] __do_softirq+0x14/0x20 [ 42.805834][ T4427] ---[ end trace 0000000000000000 ]--- [ 42.808131][ T39] device veth1_vlan left promiscuous mode [ 42.809136][ T39] device veth0_vlan left promiscuous mode [ 42.817961][ C1] ------------[ cut here ]------------ [ 42.819013][ C1] WARNING: CPU: 1 PID: 21 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d0/0x9cc [ 42.820601][ C1] Modules linked in: [ 42.821244][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Tainted: G W syzkaller #0 [ 42.822675][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 42.824192][ C1] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 42.825487][ C1] pc : __folio_end_writeback+0x7d0/0x9cc [ 42.826486][ C1] lr : __folio_end_writeback+0x7d0/0x9cc [ 42.827512][ C1] sp : ffff80001ca87970 [ 42.828191][ C1] x29: ffff80001ca87990 x28: dfff800000000000 x27: ffff0000c058bce8 [ 42.829449][ C1] x26: 0000000000000000 x25: 05ffd60000002052 x24: 1fffff8000619128 [ 42.830850][ C1] x23: 0000000000000001 x22: ffff0000d9f9c2a0 x21: ffff0000d9f9c2a8 [ 42.832236][ C1] x20: 0000000000000001 x19: fffffc00030c8940 x18: ffff800011b8bf60 [ 42.833629][ C1] x17: 1fffe00033eac97e x16: ffff8000082d7ca0 x15: 0000000000000000 [ 42.834879][ C1] x14: 0000000000000003 x13: 1ffff00003950f20 x12: 0000000000ff0100 [ 42.836309][ C1] x11: ff0080000870a5f4 x10: 0000000000000000 x9 : ffff80000870a5f4 [ 42.837594][ C1] x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 [ 42.838842][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 [ 42.840130][ C1] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 42.841366][ C1] Call trace: [ 42.841828][ C1] __folio_end_writeback+0x7d0/0x9cc [ 42.842657][ C1] folio_end_writeback+0x12c/0x410 [ 42.843542][ C1] end_page_writeback+0x58/0x74 [ 42.844365][ C1] end_buffer_async_write+0x32c/0x4f4 [ 42.845222][ C1] end_bio_bh_io_sync+0xb0/0x1dc [ 42.846014][ C1] bio_endio+0x750/0x794 [ 42.846664][ C1] blk_update_request+0x49c/0xbec [ 42.847414][ C1] blk_mq_end_request+0x54/0x88 [ 42.848168][ C1] lo_complete_rq+0x1ec/0x250 [ 42.848832][ C1] blk_done_softirq+0x11c/0x168 [ 42.849585][ C1] handle_softirqs+0x318/0xc60 [ 42.850261][ C1] run_ksoftirqd+0x7c/0x2ac [ 42.850941][ C1] smpboot_thread_fn+0x4b0/0x964 [ 42.851656][ C1] kthread+0x250/0x2d8 [ 42.852365][ C1] ret_from_fork+0x10/0x20 [ 42.853111][ C1] irq event stamp: 380949 [ 42.853811][ C1] hardirqs last enabled at (380948): [] folio_memcg_lock+0xe8/0x1f4 [ 42.855219][ C1] hardirqs last disabled at (380949): [] _raw_spin_lock_irqsave+0xa4/0xb0 [ 42.856800][ C1] softirqs last enabled at (380938): [] handle_softirqs+0xaec/0xc60 [ 42.858298][ C1] softirqs last disabled at (380943): [] run_ksoftirqd+0x7c/0x2ac [ 42.859812][ C1] ---[ end trace 0000000000000000 ]---